Pethia thelys (Kullander 2008)

Belongs to the Puntius conchonius species group distinguished by the following combination of characters: absence of barbels, absence of humeral mark; presence of prominent dark blotch anteriorly on caudal peduncle, chiefly on scales 17-18 or 18-19 in lateral row; dorsal fin in males with two rows of dark blotches and dark margin, blotches anteriorly on fin most prominent; anal and pelvic fins immaculate; lateral line short, on 6-11 scales; scales in lateral row 20-23. Differs from similar species Puntius macrogramma, and Puntius stoliczkanus by having short lateral line (vs. complete or almost complete) and the absence of humeral mark; from Puntius conchonius by having larger caudal peduncle blotch and dark color of dorsal fin in two rows of spots crossing middle of fin (vs. forming a dark marginal blotch) (Ref. 75627).Description: Dorsal fin iii,8, iv,8; Anal fin iii,5; Pectoral fin i12, i13, i14; Pelvic fin i7, i8 (Ref. 75627).

Dorsal soft rays (total): 11 - 12; Analsoft rays: 8

Pethia thelys is a species of cyprinid fish found in streams in Myitkyina and in Lake Indawgyi, Myanmar. This species can grow to a length of 4.2 centimetres (1.7 in) SL.